condition	mean	min	max
4 h after light	538.201	491.413	584.989
8 h after light	453.59450000000004	449.332	457.857
12 h after light	497.02099999999996	470.575	523.467
4 h after dark	492.04699999999997	489.054	494.378
8 h after dark	619.3386666666667	575.276	641.721
12 h after dark	585.7253333333333	541.723	614.586